Projects are required to acknowledge (cite) the use of the national e-infrastructure resources in dissemination and scientific publications. Papers, presentations and other publications that feature work that relied on Sigma2 should include such an acknowledgement / citation.
Sigma2 has defined the following template for such acknowledgements:
"The computations/simulations/[SIMILAR] were performed on resources provided by Sigma2 - the National Infrastructure for High Performance Computing and Data Storage in Norway"